texture_select



[+] Optimized texture download rates - less TRAM addresses must be generated

[-] The texture data must be pre-interleaved

glTexImage[n]D[EXT] ( /* Definition */

internalFormat =
DUAL_{ ALPHA, LUMINANCE, INTENSITY * }{4, 8, 12, 16 } _SGIS
DUAL_LUMINANCE_ALPHA{ 4, 8 } _SGIS
QUAD_{ ALPHA, LUMINANCE, INTENSITY*}{ 4, 8 }_SGIS
);




glTexParameteri ( /* Selection & Usage */

target =
GL_TEXTURE_[n]D[_EXT],

param =
DUAL_TEXTURE_SELECT_SGIS
QUAD_TEXTURE_SELECT_SGIS

value =
{ 0, 1 },
{ 0, 1, 2, 3 }

);